SpecShop.pl sent in news about their new Lipo Battery from Arma Tech designed to fit in AK AEGs that require the stick-type airsoft battery... "SpecShop.pl has added new LiPo battery from Arma Tech to it's offer. This is Arma Tech stick 7.4V 1300 mAh 35C pack designed to fit AK replicas with folding stock, where power source needs to be located under the receiver cover. Recently such type of batteries is rather rare on the market."